class_docstr: Quantization Configuration Object
code: def __repr__(self):
      return str(self.to_json_string())
  
file_path: nlp-architect/nlp_architect/common/config.py
imports: import copy
  import json
  import abc
label_desc: Use image node_id 3 for calling the Config obj's underlying member method code with example usage: obj.__repr__() and returns: str